NAVY MIL-DTL-28933 C-1997 SLING SWORD SHOULDER - NYLON WEBBING WHITE《白色肩膀尼龙厚边剑钩悬带》.pdf

1、 HIL-DTL-ZAq33C Ob 2055700 ib8 MIL-DTL-28933C (MC) 16 October 1997 SUPERSEDING MIL-S-28933B (MC) 23 May 1994 DETAIL SPECIFICATION SLING, SWORD, SHOULDER - NYLON WEBBING, WHITE This specification is approved for use by U.S. Marine Corps, Department of the Navy, and is available for use by all Departm

2、ents and Agencies of the Department of Defense. 1. SCOPE 1.1. Scope. white nylon sword sling. This specification covers requirements for one type 2. APPLICABLE DOCUMENTS 2.1. General. in sections 3 and 4 of this specification. include documents cited .in other sections of this specification or recom

3、mended for additional information or as examples. every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all The documents listed in this section are specified This section does not While Beneficial comments (recommendations, additions, d

4、eletions) and any pertinent data which may be of use in improving this document should be addressed to the Commander (PSE-D), Marine Corps Systems Command, Quantico, VA 22134-5010 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by le

5、tter. I I AMSC N/A FSC 8465 DISTRIBUTION STATEMENT A. distribution is unlimited. Approved for public release; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-28933C D 999990b 2055703 bTY D MIL-DTL-28 933C (MC) specified requirements document

6、s cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2. Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified

7、, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2) . SPEC1 FICAT IONS FEDERAL V-T-295 - Thread, Nylon DEPARTMENT OF DEFENSE MIL-F-10884 - Fasteners, Snap

8、 STANDARDS FEDERAL FED-STD-191 - Textile Test Methods FED-STD-311 - Leather, Methods of Sampling and Testing FED-STD-595 - Colors Used in Government Procurement FED-STD-751 - Stitches, Seams, and Stitchings DEPARTMENT OF DEFENSE MS27981 - Fastener, Snap, Style 2A (Unless otherwise indicated, copies

9、of the above specifications, standards, handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. ) 2.2.2 Other Government documents and publications. The following other Government documents and publications form a part of th

10、is document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-28933C H 999990b 2055702 530 H MIL-DTL-28 93 3C (MC) DRAWINGS MARINE CO

11、RPS 695179BOOOO - Sling, Shoulder, Nylon, Web, Sword, White ARMY NATICK LABORATORIES 2-1-767 - Test Jaws for High Strength Textiles; Assembly complete. Split drum type (Copies should be obtained from the contracting officer or his authorized representative.) 2.3. Non-Government publications. The fol

12、lowing document(s) form a part of this document to the extent specified herein. otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS a

13、re the issues of the documents cited in the solicitation (see 6.2). Unless ANSI/ASQC 21.4 - Sampling Procedures and Tables for Inspection by Attributes. (Application for copies should be addressed to The American National Standards Institute, 11 West 42nd Street, New York, NY 10036. ) Department of

14、Defense (DoD) Standard Color Card of Official Standardized Shades for Sewing Threads 1968 (Application for copies should be addressed to the Color Association of the United States, Inc., 409 W. 44th Street, New York, NY 10016-0927. ) 2.4. Order of precedence. text of this document and the references

15、 cited herein, the text of this document takes precedence. however, supersedes applicable laws and regulations unless a specific exemption has been obtained. In the event of a conflict between the Nothing in this document, 3. REQUIREMENTS 3.1. Standard sample. Standard samples are furnished solely f

16、or guidance and information to the contractor (see 6.3). Variation 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-DTL-28933C 999990b 2055703 477 MIL-DTL-2 8 9 3 3C (MC) from this specification may appear in the sample, in which case the specif

17、ication shall govern. 3.2. First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.3. Materials. 3.3.1 Leather. The leather for the pad, adjustable belt loops and ring loop shall be cattlehide, free from cuts, damaged grain, open scr

18、atches, grub holes, brands, wrinkles or any other defect which may affect the appearance or serviceability of the finished sling. 3.3.1.1. Tannaqe. The leather shall be white mineral tanned with a suitable synthetic retannage (melamine, vinyl, or equal), exhibiting properties that meet the requireme

19、nts of this specification. 3.3.1.2. Finish. The leather shall be full grain or full grain lightly snuffed. The flesh side shall be smooth and free from flesh. 3.3.1.3. Crackinq. The leather shall not crack. 3.3.1.4. Chemical requirements. The leather shall conform to the following chemical requireme

20、nts: Characteristics Minimum Maximum Chloroform extract-percent 12.5 - Total ash-percent Acidity (pH) 11.5 3 - 4.5 3.3.1.5. Weiqht. The pad, adjustable belt loops and ring loop shall be 10.5 to 11.0 ounces for single ply leather. 3.3.1.6. Color. The leather shall be white on the flesh side and grain

21、 side approximating shade No. 27875 of FED-STD-595, showing good fastness to wet and dry crocking and showing no appreciable “yellowing“. 3.3.2 Poromeric. Poromeric material (see 6.4) 0.055 to 0.065 inch thick with a smooth high gloss finish may be used as an 4 Provided by IHSNot for ResaleNo reprod

22、uction or networking permitted without license from IHS-,-,- MIL-DTL-28933C m 999990b 2055704 303 m MIL-DTL-28933C (MC) alternate to the leather for the pad, adjustable belt loops and ring loop. The color shall be white. The belt loops and pad shall be 2-ply. The weight requirement shall not apply (

23、see 3.3.1.5). 3.3.3 Webbinq, nylon. The white nylon webbing shall conform to the following requirements: Material identification Width (inches) Thickness (inches) Weight (ounces per yard) Breaking strength (pounds) Warp ends Picks per inch Ply warp Ply filling Weave Nylon 0.031 minimum 0.049 maximum

24、 1216 minimum 237 minimum 44 minimum 1 minimum 1 minimum 1-1/8 Tubular: 1 up/l down Binder: 1 up/l down 3.3.4 Metal parts. 3.3.4.1. Buckles. Buckles (female portion) attached to pad; buckles (male portion) attached to each adjustable nylon webbing strap, shall be zinc alloy, nickel finish conforming

25、 to the dimensions on drawing number 695179B0000. are required. Two complete buckles 3.3.4.2. Slides. shall be brass, nickel finish, conforming to dimensions on drawing number 695179B0000. Slides attached to each nylon webbing strap Two slides are required. 3.3.4.3. Rinq. The ring for attaching the

26、sword hook shall be low carbon steel, nickel finish in size and shape indicated on drawing number 695179B0000. 3.3.4.4. Rivets. holding two metal loops, shall be carbon steel, nickel finish, head size 13/64 inch, barrel length 1/4 inch. Two rivets are required. Rivets attached to the leather loop on

27、 the pad, 3.3.4.5. Snap fasteners. loops shall be brass, nickel finish, conforming to style 2A, finish 3, construction A of MIL-F-10884, and MS27981, part Nos, 1N and 3N for button and socket and Nos. 4N and 7N for stud and Snap fasteners for the adjustable belt 5 Provided by IHSNot for ResaleNo rep

28、roduction or networking permitted without license from IHS-,-,- MIL-DTL-28933C W 9999906 2055705 24T MIL-DTL-28 933C (MC) eyelet. Eight studs and eyelets and two buttons and sockets are required on each sling. 3.3.5 Adhesive. The adhesive used for gluing together pad and belt loop parts indicated in

29、 drawing number 695179B0000 shall be natural or synthetic latex, natural or synthetic rubber solvent cement, or synthetic resin cements. 3.3.6 Thread. Nylon thread shall conform to type I, class 1, size FF of V-T-295. The color of the thread shall be white (see DoD Standard Color Card of Official St

30、andardized Shades for Sewing Threads 1968). 3.3.7 Labels. Each sling shall have a gummed label attached to the back of the pad containing the following information: Nomenclature: (Sling, Sword, Shoulder) Name of contractor: 3.4. Desisn. The sling shall be the U.S. Marine Corps design as shown on dra

31、wing number 695179B0000. 3.5. Construction. The construction of the sling shall conform to drawing number 695179B0000. All stitching shall be done with stitch type 301, conforming to FED-STD-751, 11 stitches per inch with the ends of the stitching backstitched and neatly secured. The pad and belt lo

32、ops shall be made from two pieces of leather assembled and glued to form two plies with the grain side of leather on the outside. The two plies of pad shall be stitched together with one row of stitches 1/8 inch from the edge on all sides as shown on drawing number 695179B0000. The nylon webbing end

33、s shall be folded and top stitched with three rows o stitches 1/16 inch from the edge, through three plies of webbing as shown on drawing number 695179B0000. requirements will also apply when using the alternate poromeric material. The same construction 3.5.1 Tvpe 301 stitchinq. Thread breaks in sti

34、tching shall be overstitched not less than 1/2 inch back of the break. Ends of stitching shall be backstitched or backtacked not less than 1 inch except where ends are caught in other seams or stitching. Thread tension shall be maintained so that there will be no loose or tight stitching and the loc

35、k will be embedded in the center of the materials sewed. All thread ends shall be trimmed. b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-28933C Ob 2055706 186 = MIL-DTL-289332 (MC) 3.5.2 Settinq of snap fasteners. If a hole is punched be

36、fore inserting the male or female part of the fastener, the hole shall be smaller than the outside diameter of the fastener tube so that the tube must be forced through the hole. 3.5.3 Gluinq. Glued parts shall be securely bonded with the adhesive specified herein. No adhesive shall appear upon any

37、outside finished surface. 3.5.4 Metal parts finish. All surfaces and edges shall be clean, smooth, and free from burrs, drag, step, tool marks, sharp edges and corners, and roughness. Finishing shall not be carried to the point where edges are excessively rounded or details of design fail to meet th

38、e requirements shown on drawing number 695179B0000 and specified herein. 3.6. Dimensions. The dimensions of the finished sling shall be as specified in drawing number 695179B0000. 3.7. Workmanship. The finished sling shall conform to the quality and grade of product established by this specification

39、. 3.8. Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantag

40、eous life cycle costs. 4. VERIFICATION 4.1. Classification of inspection. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3). b. Conformance inspection (see 4.4) . 4.2. Inspection conditions. Unless otherwise specified, all inspections shall

41、 be performed in accordance with the provisions set forth in ANSI/ASQC 21.4. 4.3. First article inspection. When first article is required, inspection shall be made of a completely fabricated sling for all provisions of this specification. 7 Provided by IHSNot for ResaleNo reproduction or networking

42、 permitted without license from IHS-,-,-MIL-DTL-2 8 9 3 3C (MC ) 4.4. Conformance inspection. 4.4.1 Component and material inspection. Components and materials shall be tested in accordance with all the requirements of referenced specifications, drawings and standards unless otherwise excluded, amen

43、ded, modified or qualified in this specification or applicable purchase document. In addition to testing provisions contained in subsidiary specifications, drawings and standards, testing shall be performed on components listed in Table I. All test reports shall contain the individual values utilize

44、d in expressing the final results. Sampling shall be in accordance with the following: Lot size Sample size 800 or less 2 801 to 22,000 inclusive 3 22,001 and over 5 The lot shall be unacceptable if one or more sample units fail to meet any test requirements in Table I. lot sizes and the sample unit

45、 for testing shall be as follows: The unit for expressing Component Expressed as Sample unit for testinq Leather one side or skin I/ Webbing yard 7 continuous linear yards Buckles, slides, each rings 2dges frayed or scalloped. 1. Broken grain, badly healed scar, scratches, cuts, open grub, 2r tick m

46、ark, hole, open vein, Elank, or other grain defects: serviceability. serviceability. 2. Not specified color. b. Not specified thickness. a. Broken or malformed; finish omitted; corroded areas; burrs 01 sharp edges which may cause injury in handling. a. Open seams: - seriously affecting - not serious

47、ly affecting - 3/8 inch or less. - more than 3/8 inch. :lass if i ca t ion iajor Minor 101 102 103 104 105 106 107 108 A - 201 202 A seam shall be classified as open when one or more continuous skipped stitches or runoffs occur. /b. Runoffs (see open seams) : c. Raw edges: - any raw edge. 203 204 Ra

48、w edges not securely caught in stitching shall be classified as open seams. d. Seam and stitch type: - wrong seam or stitch type. 109 B - 301 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-28933C H 9999906 2055711 543 j. Stitching: stitc

49、hing omitted. la. Grease or oil stains, clearly noticeable. b. Small spots or stains: appearance. appearance. c. Thread ends not trimmed throughout . - one or more required rows of - seriously affecting - not seriously affecting MIL-DTL-28933C (MC) Examine Seams and stitching (cont I d) Defects e. Stitch tension: - loose, resulting in a loosely exposed top or bobbin thread; tight, res